De Dietrich MS 24 BIC FF Notice D'installation, D'utilisation Et D'entretien page 84

DHW DHW
outlet inlet
Figure 17
Key:
1 heating filter
2 pressure gauge
3 powered 3-way valve
4 gas valve with gas diaphragm
5 heating circuit pump with deaerator
6 check valve
7 disconnector
8 boiler filling tap
9 gas train with injectors
10 fumes conveyor
11 fumes thermostat
12 safety thermostat
13 water-fumes exchanger
14 Ignition/flame detection electrode
15 burner
INSTALLATION INSTRUCTIONS
24 BIC
Heating flow
16 NTC domestic hot water sensor
17 storage boiler
18 heating circuit expansion vessel
19 NTC heating probe
20 sacrificial anode
21 DHW circuit pump
22 DHW priority sensor
23 storage boiler drain tap
24 DHW circuit safety valve
25 DHW circuit expansion vessel (accessory)
26 boiler safety valve
27 boiler drain tap
28 hydraulic pressure switch
29 check valve on automatic by-pass
30 plate exchanger
84
Heating return Gas
71.06199.02 - EN